From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753001AbZHTFrH (ORCPT ); Thu, 20 Aug 2009 01:47:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751947AbZHTFrH (ORCPT ); Thu, 20 Aug 2009 01:47:07 -0400 Received: from out02.mta.xmission.com ([166.70.13.232]:53654 "EHLO out02.mta.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751403AbZHTFrF (ORCPT ); Thu, 20 Aug 2009 01:47:05 -0400 To: , x86@kernel.org, Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" From: ebiederm@xmission.com (Eric W. Biederman) Date: Wed, 19 Aug 2009 22:46:59 -0700 Message-ID: User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-XM-SPF: eid=;;;mid=;;;hst=in01.mta.xmission.com;;;ip=76.21.114.89;;;frm=ebiederm@xmission.com;;;spf=neutral X-SA-Exim-Connect-IP: 76.21.114.89 X-SA-Exim-Rcpt-To: hpa@zytor.com, mingo@redhat.com, tglx@linutronix.de, x86@kernel.org, linux-kernel@vger.kernel.org X-SA-Exim-Mail-From: ebiederm@xmission.com X-Spam-DCC: XMission; sa04 1397; Body=1 Fuz1=1 X-Spam-Combo: ;, x86@kernel.org, Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" X-Spam-Relay-Country: X-Spam-Report: * -1.8 ALL_TRUSTED Passed through trusted hosts only via SMTP * 0.0 T_TM2_M_HEADER_IN_MSG BODY: T_TM2_M_HEADER_IN_MSG * -2.6 BAYES_00 BODY: Bayesian spam probability is 0 to 1% * [score: 0.0000] * -0.0 DCC_CHECK_NEGATIVE Not listed in DCC * [sa04 1397; Body=1 Fuz1=1] * 0.4 FVGT_m_MULTI_ODD Contains multiple odd letter combinations * 0.0 XM_SPF_Neutral SPF-Neutral * 0.4 UNTRUSTED_Relay Comes from a non-trusted relay Subject: v2.6.31-rc6: BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 X-SA-Exim-Version: 4.2.1 (built Thu, 25 Oct 2007 00:26:12 +0000) X-SA-Exim-Scanned: Yes (on in01.mta.xmission.com) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org I'm not certain who I should route this too, but I just had 2.6.31-rc6 fall over on me. I don't know how reproducible this will be but I have a full crash dump if someone is interested in looking into this. Eric BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 IP: [] run_timer_softirq+0x13a/0x1fa PGD 0 Thread overran stack, or stack corrupted Oops: 0002 [#1] SMP last sysfs file: /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq CPU 0 Modules linked in: veth macvlan nfsd lockd nfs_acl auth_rpcgss exportfs sco bridge stp bnep l2cap bluetooth sunrpc ipv6 cpufreq_ondemand acpi_cpufreq freq_table ext4 jbd2 crc16 dm_mirror dm_region_hash dm_log dm_multipath dm_mod uinput kvm_intel kvm fuse xt_multiport iptable_nat ip_tables nf_nat x_tables nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 tun 8021q ixgbe iTCO_wdt iTCO_vendor_support i2c_i801 mdio e1000e pcspkr serio_raw sg ata_generic pata_acpi ata_piix libata sd_mod scsi_mod ext3 jbd mbcache uhci_hcd ohci_hcd ehci_hcd i915 drm i2c_algo_bit i2c_core video output [last unloaded: microcode] Pid: 0, comm: swapper Not tainted 2.6.31-rc6-172084.2009.AroraKernelBeta.fc11.x86_64 #1 PDSBM RIP: 0010:[] [] run_timer_softirq+0x13a/0x1fa RSP: 0018:ffff8800017cfe30 EFLAGS: 00010006 RAX: ffff8800365b2928 RBX: ffffffff81744e40 RCX: 0000000000000000 RDX: ffff8800017cfe50 RSI: 0000000000000246 RDI: 0000000000000000 RBP: ffff8800017cfea0 R08: ffff8800017d8c00 R09: ffff8800017cff08 R10: 6b40fbe55cdd76b4 R11: ffffffff81744e40 R12: ffff8800017cfe50 R13: 0000000000000000 R14: ffffffff81746658 R15: ffffffff81746258 FS: 0000000000000000(0000) GS:ffff8800017cc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000008 CR3: 0000000001001000 CR4: 00000000000026f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process swapper (pid: 0, threadinfo ffffffff815b2000, task ffffffff8153f020) Stack: 6b40fbe55cdd76b4 ffff880000000100 ffffffff81746a58 ffffffff81745e58 <0> ffff8800365b2928 ffff8800abcd6128 ffffffff81023733 6b40fbe55cdd76b4 <0> 6b40fbe55cdd76b4 0000000000000008 0000000000000001 0000000000000100 Call Trace: [] ? lapic_next_event+0x23/0x3b [] __do_softirq+0xe7/0x1cd [] call_softirq+0x1c/0x28 [] do_softirq+0x51/0xae [] irq_exit+0x52/0xa3 [] smp_apic_timer_interrupt+0x94/0xb9 [] apic_timer_interrupt+0x13/0x20 [] ? mwait_idle+0x9b/0xcc [] ? mwait_idle+0x3d/0xcc [] ? enter_idle+0x33/0x49 [] ? cpu_idle+0xb0/0xf3 [] ? rest_init+0x79/0x8f [] ? start_kernel+0x3dc/0x3fd [] ? x86_64_start_reservations+0xbb/0xd6 [] ? x86_64_start_kernel+0x105/0x128 Code: 49 8b 54 1d 20 48 89 55 b8 4c 89 22 49 89 44 1d 20 49 89 44 1d 18 eb 7e 4c 8b 68 18 48 8b 78 20 48 89 43 08 48 8b 08 48 8b 50 08 <48> 89 51 08 48 89 0a 48 c7 40 08 00 02 20 00 48 c7 00 00 00 00 RIP [] run_timer_softirq+0x13a/0x1fa RSP CR2: 0000000000000008